Both professionals and hobbyists, rejoice! The Excel Blades’ Excel Blades is set to become your next favorite tool! This precision product is equipped with 18mm wide blade for deep and easy cutting, prevents blade slipping with the safety lock tab,and can be used on Boxes, Drywall, Roofing, Leather, Cardboard, Rubber, Kevlar, and Linoleum.The item # 16013 is made of plastic and carbon steel. This products works in Excel Blades’ #7 Snap Blade.